What powers clk.cz?
Last seen Jun 2026 · 15 technologies across 9 categories
Analytics
Google Analytics
since Jun 2019
Font scripts
Google Font API
since Jun 2019
JavaScript libraries
Slick
since Jun 2019
Maps
Google Maps
since Jun 2019
Miscellaneous
Programming languages
PHP
since Aug 2022
Security
reCAPTCHA
since Jun 2019
UI frameworks
Animate.css
since Jun 2019
Web servers
Nginx
since Mar 2026
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.22 / 10 · ranked #3,057,020 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.3 MB · 58 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 May 2026
- dropped Apache HTTP Server Apr 2026
- detected Nginx Mar 2026